CA2493918A1 - Method and reagent system with non-regenerable enzyme-coenzyme complex - Google Patents
Method and reagent system with non-regenerable enzyme-coenzyme complex Download PDFInfo
- Publication number
- CA2493918A1 CA2493918A1 CA002493918A CA2493918A CA2493918A1 CA 2493918 A1 CA2493918 A1 CA 2493918A1 CA 002493918 A CA002493918 A CA 002493918A CA 2493918 A CA2493918 A CA 2493918A CA 2493918 A1 CA2493918 A1 CA 2493918A1
- Authority
- CA
- Canada
- Prior art keywords
- coenzyme
- enzyme
- dehydrogenase
- analyte
- reagent system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract 19
- 239000005515 coenzyme Substances 0.000 title claims abstract 16
- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract 13
- 239000012491 analyte Substances 0.000 claims abstract 8
- 238000006243 chemical reaction Methods 0.000 claims abstract 4
- 238000006911 enzymatic reaction Methods 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims 5
- 101710088194 Dehydrogenase Proteins 0.000 claims 4
- 239000011159 matrix material Substances 0.000 claims 4
- 108090000790 Enzymes Proteins 0.000 claims 2
- 102000004190 Enzymes Human genes 0.000 claims 2
- XJLXINKUBYWONI-DQQFMEOOSA-N [[(2r,3r,4r,5r)-5-(6-aminopurin-9-yl)-3-hydroxy-4-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(2s,3r,4s,5s)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate Chemical compound NC(=O)C1=CC=C[N+]([C@@H]2[C@H]([C@@H](O)[C@H](COP([O-])(=O)OP(O)(=O)OC[C@@H]3[C@H]([C@@H](OP(O)(O)=O)[C@@H](O3)N3C4=NC=NC(N)=C4N=C3)O)O2)O)=C1 XJLXINKUBYWONI-DQQFMEOOSA-N 0.000 claims 2
- 229930027945 nicotinamide-adenine dinucleotide Natural products 0.000 claims 2
- 230000008929 regeneration Effects 0.000 claims 2
- 238000011069 regeneration method Methods 0.000 claims 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims 1
- 102000007698 Alcohol dehydrogenase Human genes 0.000 claims 1
- 108010021809 Alcohol dehydrogenase Proteins 0.000 claims 1
- YPZRHBJKEMOYQH-UYBVJOGSSA-L FADH2(2-) Chemical compound C1=NC2=C(N)N=CN=C2N1[C@@H]([C@H](O)[C@@H]1O)O[C@@H]1COP([O-])(=O)OP([O-])(=O)OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C(NC(=O)NC2=O)=C2NC2=C1C=C(C)C(C)=C2 YPZRHBJKEMOYQH-UYBVJOGSSA-L 0.000 claims 1
- YTNIXZGTHTVJBW-SCRDCRAPSA-L FMNH2(2-) Chemical compound [O-]P(=O)([O-])OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2NC2=C1NC(=O)NC2=O YTNIXZGTHTVJBW-SCRDCRAPSA-L 0.000 claims 1
- 101000892220 Geobacillus thermodenitrificans (strain NG80-2) Long-chain-alcohol dehydrogenase 1 Proteins 0.000 claims 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims 1
- 108010050375 Glucose 1-Dehydrogenase Proteins 0.000 claims 1
- 108030000198 L-amino-acid dehydrogenases Proteins 0.000 claims 1
- 102000003855 L-lactate dehydrogenase Human genes 0.000 claims 1
- 108700023483 L-lactate dehydrogenases Proteins 0.000 claims 1
- 102000013460 Malate Dehydrogenase Human genes 0.000 claims 1
- 108010026217 Malate Dehydrogenase Proteins 0.000 claims 1
- BAWFJGJZGIEFAR-NNYOXOHSSA-O NAD(+) Chemical compound NC(=O)C1=CC=C[N+]([C@H]2[C@@H]([C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OC[C@@H]3[C@H]([C@@H](O)[C@@H](O3)N3C4=NC=NC(N)=C4N=C3)O)O2)O)=C1 BAWFJGJZGIEFAR-NNYOXOHSSA-O 0.000 claims 1
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 150000001413 amino acids Chemical class 0.000 claims 1
- 239000008280 blood Substances 0.000 claims 1
- 210000004369 blood Anatomy 0.000 claims 1
- 210000001124 body fluid Anatomy 0.000 claims 1
- 239000010839 body fluid Substances 0.000 claims 1
- ACTIUHUUMQJHFO-UPTCCGCDSA-N coenzyme Q10 Chemical compound COC1=C(OC)C(=O)C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UPTCCGCDSA-N 0.000 claims 1
- 235000017471 coenzyme Q10 Nutrition 0.000 claims 1
- FVTCRASFADXXNN-SCRDCRAPSA-N flavin mononucleotide Chemical compound OP(=O)(O)OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O FVTCRASFADXXNN-SCRDCRAPSA-N 0.000 claims 1
- 239000008103 glucose Substances 0.000 claims 1
- BOPGDPNILDQYTO-NNYOXOHSSA-N nicotinamide-adenine dinucleotide Chemical compound C1=CCC(C(=O)N)=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OC[C@@H]2[C@H]([C@@H](O)[C@@H](O2)N2C3=NC=NC(N)=C3N=C2)O)O1 BOPGDPNILDQYTO-NNYOXOHSSA-N 0.000 claims 1
- 229960002715 nicotine Drugs 0.000 claims 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- MMXZSJMASHPLLR-UHFFFAOYSA-N pyrroloquinoline quinone Chemical compound C12=C(C(O)=O)C=C(C(O)=O)N=C2C(=O)C(=O)C2=C1NC(C(=O)O)=C2 MMXZSJMASHPLLR-UHFFFAOYSA-N 0.000 claims 1
- 150000004059 quinone derivatives Chemical class 0.000 claims 1
- 239000000376 reactant Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
- C12Q1/32—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving dehydrogenase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/001—Enzyme electrodes
- C12Q1/002—Electrode membranes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54353—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals with ligand attached to the carrier via a chemical coupling agent
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
- G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Physics & Mathematics (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- General Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Biophysics (AREA)
- Cell Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Polymerisation Methods In General (AREA)
- Laminated Bodies (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to a method and reagent system for detecting an analyt e in a sample by means of an enzymatic reaction, involving the use of an enzym e- coenzyme complex as a stoichiometric reaction partner for the analyte presen t in the sample.
Claims (21)
1. A method for detecting an analyte in a sample by an enzymatic reaction, comprising the steps:
(a) contacting the sample with a detection reagent comprising an enzyme-coenzyme complex, under conditions with which no regeneration of the coenzyme takes place, where a dehydrogenase is used as enzyme, and (b) detecting a reaction of the analyte through a change in the enzyme-coenzyme complex.
(a) contacting the sample with a detection reagent comprising an enzyme-coenzyme complex, under conditions with which no regeneration of the coenzyme takes place, where a dehydrogenase is used as enzyme, and (b) detecting a reaction of the analyte through a change in the enzyme-coenzyme complex.
2. The method as claimed in claim 1, characterized in that the dehydrogenase is selected from a glucose dehydrogenase (E.C.1.1.1.47), lactate dehydrogenase (E.C.1.1.1.27, 1.1.1.28), malate dehydrogenase (E.C.1.1.1.37), glycerol dehydrogenase (E.C.1.1.1.6), alcohol dehydrogenase (E.C.1.1.1.1) or amino-acid dehydrogenase, e.g.
L-amino-acid dehydrogenase (E.C.1.4.1.5).
L-amino-acid dehydrogenase (E.C.1.4.1.5).
3. The method as claimed in any of the preceding claims, characterized in that a coenzyme selected from flavin, nicotine and quinone derivatives is used.
4. The method as claimed in claim 3, characterized in that the coenzyme is selected from FAD, FADH2, FMN, FMNH2, coenzyme Q, PQQ, NAD+, NADH/H+, NADP+
and NADPH/H+.
and NADPH/H+.
5. The method as claimed in claim 1 to 4, charac-terized in that the change in the coenzyme is detected by optical methods.
6. The method as claimed in claim 5, characterized in that the change in the coenzyme is detected by measuring absorption, fluorescence, CD, ORD or refractometry.
7. The method as claimed in claim 6, characterized in that the change in the coenzyme is detected by measuring the fluorescence.
8. The method as claimed in any of the preceding claims, characterized in that a gel matrix with an enzyme-coenzyme complex embedded therein is used as detection reagent.
9. The method as claimed in claim 8, characterized in that the gel matrix has a layer thickness of <= 50 µm, in particular of 5 5 µm.
10. The method as claimed in claim 8 or 9, charac-terized in that a gel matrix based on photo-polymerizable substances is used.
11. The method as claimed in any of the preceding claims, characterized in that an analyte in a body fluid is determined.
12. The method as claimed in claim 11, characterized in that a determination of glucose in blood is carried out.
13. The method as claimed in any of the preceding claims, characterized in that the duration of the reaction of the analyte is <= 5 s.
14. The method as claimed in any of the preceding claims, characterized in that the reaction is carried out in the absence of mediators able to react with the coenzyme.
15. The method as claimed in any of the preceding claims, characterized in that the enzyme-coenzyme complex is employed as stoichiometric reactant in relation to the analyte.
16. A reagent system for detecting an analyte in a sample, comprising:
(a) a detection reagent comprising an enzyme-coenzyme complex in a form such that no regeneration of the coenzyme takes place, where a dehydrogenase is used as enzyme, and (b) a support to receive the detection reagent.
(a) a detection reagent comprising an enzyme-coenzyme complex in a form such that no regeneration of the coenzyme takes place, where a dehydrogenase is used as enzyme, and (b) a support to receive the detection reagent.
17. The reagent system as claimed in claim 16, charac-terized in that the enzyme-coenzyme complex is embedded in a gel matrix.
18. The reagent system as claimed in claim 16 or 17, characterized in that the support is at least partly optically transparent.
19. The reagent system as claimed in any of claims 16 to 18, characterized in that the support comprises an essentially planar structure.
20. The reagent system as claimed in any of claims 16 to 18, characterized in that the support comprises a plurality of different detection reagents.
21. The use of a reagent system as claimed in any of claims 16 to 20 in a method as claimed in any of claims 1 to 15.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10221846.3 | 2002-05-16 | ||
| DE10221840.4 | 2002-05-16 | ||
| DE2002121846 DE10221846A1 (en) | 2002-05-16 | 2002-05-16 | Detecting an analyte by enzymatic reaction, useful specifically for measuring glucose in blood, based on reaction with coenzyme and inactive coenzyme-binding protein |
| DE2002121840 DE10221840A1 (en) | 2002-05-16 | 2002-05-16 | Production of polymer layers on a transparent support, for use in sensors, e.g. for blood analysis, comprises coating the support with a photopolymerizable liquid composition and irradiating the liquid through the support |
| DE2002121845 DE10221845A1 (en) | 2002-05-16 | 2002-05-16 | Detecting analyte by enzymatic reaction, useful specifically for measuring glucose in blood, based on reaction with enzyme-coenzyme complex |
| DE10221845.5 | 2002-05-16 | ||
| PCT/EP2003/005178 WO2003097864A1 (en) | 2002-05-16 | 2003-05-16 | Method and reagent system having a non-regenerative enzyme-coenzyme complex |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2493918A1 true CA2493918A1 (en) | 2003-11-27 |
| CA2493918C CA2493918C (en) | 2012-08-28 |
Family
ID=29553736
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2486950A Expired - Fee Related CA2486950C (en) | 2002-05-16 | 2003-05-16 | Method for producing polymer layers |
| CA2493918A Expired - Fee Related CA2493918C (en) | 2002-05-16 | 2003-05-16 | Method and reagent system with non-regenerable enzyme-coenzyme complex |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2486950A Expired - Fee Related CA2486950C (en) | 2002-05-16 | 2003-05-16 | Method for producing polymer layers |
Country Status (15)
| Country | Link |
|---|---|
| US (3) | US7341830B2 (en) |
| EP (3) | EP1504115A1 (en) |
| JP (4) | JP5118288B2 (en) |
| KR (2) | KR101164048B1 (en) |
| CN (2) | CN100439513C (en) |
| AT (1) | ATE345396T1 (en) |
| AU (3) | AU2003240666B2 (en) |
| BR (2) | BR0311175A (en) |
| CA (2) | CA2486950C (en) |
| DE (1) | DE50305687D1 (en) |
| DK (1) | DK1504113T3 (en) |
| ES (1) | ES2275095T3 (en) |
| HK (2) | HK1081599A1 (en) |
| MX (2) | MXPA04011220A (en) |
| WO (3) | WO2003097859A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8809013B2 (en) | 2005-07-28 | 2014-08-19 | Roche Diagnostics Operations, Inc. | Stable NAD/NADH derivatives |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7341830B2 (en) * | 2002-05-16 | 2008-03-11 | Roche Diagnostics Operations, Inc. | Method and reagent system having a non-regenerative enzyme-coenzyme complex |
| DE10325699B3 (en) * | 2003-06-06 | 2005-02-10 | Roche Diagnostics Gmbh | System for analyzing a sample to be tested and using such a system |
| DE102004007983A1 (en) * | 2004-02-18 | 2005-09-08 | Roche Diagnostics Gmbh | Test element with single-layer reaction film |
| DE102004051830B4 (en) * | 2004-10-25 | 2007-12-13 | Roche Diagnostics Gmbh | Multifunctional reference system for analyte determination by fluorescence |
| US20060281187A1 (en) | 2005-06-13 | 2006-12-14 | Rosedale Medical, Inc. | Analyte detection devices and methods with hematocrit/volume correction and feedback control |
| US8801631B2 (en) | 2005-09-30 | 2014-08-12 | Intuity Medical, Inc. | Devices and methods for facilitating fluid transport |
| CA2624117C (en) | 2005-09-30 | 2014-06-17 | Intuity Medical, Inc. | Fully integrated wearable or handheld monitor |
| CA2564666A1 (en) * | 2005-10-25 | 2007-04-25 | F. Hoffmann-La Roche Ag | Fluorescence spectroscopy in absorbing media |
| GB0526051D0 (en) | 2005-12-21 | 2006-02-01 | Oxford Biosensors Ltd | Cholesterol sensor |
| EP1830177A1 (en) * | 2006-03-02 | 2007-09-05 | F. Hoffman-la Roche AG | Integrated test element |
| WO2007147086A2 (en) * | 2006-06-14 | 2007-12-21 | Brigham Young University | Adsorption-resistant acrylic copolymer for fluidic devices |
| EP2022859A1 (en) * | 2007-08-01 | 2009-02-11 | Roche Diagnostics GmbH | Method and device for determining the concentration of an analyte using measurement of fluorescence |
| EP2093284A1 (en) * | 2008-02-19 | 2009-08-26 | F.Hoffmann-La Roche Ag | Stabilisation of dehydrogenases with stable coenzymes |
| CA2725264C (en) | 2008-05-30 | 2017-06-20 | Intuity Medical, Inc. | Body fluid sampling device -- sampling site interface |
| EP2299903B1 (en) | 2008-06-06 | 2021-01-27 | Intuity Medical, Inc. | Detection meter and mode of operation |
| ES2907152T3 (en) | 2008-06-06 | 2022-04-22 | Intuity Medical Inc | Blood glucose meter and method of operation |
| SG192481A1 (en) | 2008-07-11 | 2013-08-30 | Universal Biosensors Pty Ltd | Enhanced immunoassay sensor |
| EP2398388B1 (en) | 2009-02-19 | 2020-04-08 | Roche Diabetes Care GmbH | Compact storage of auxiliary analytical devices in a cartridge |
| EP2398909B1 (en) | 2009-02-19 | 2015-07-22 | F. Hoffmann-La Roche AG | Fast reaction kinetics of enzymes having low activity in dry chemistry layers |
| EP2226008A1 (en) | 2009-02-19 | 2010-09-08 | Roche Diagnostics GmbH | Method for producing an analytical magazine |
| EP2226007A1 (en) | 2009-02-19 | 2010-09-08 | Roche Diagnostics GmbH | Test element magazine with covered test fields |
| EP2292751A1 (en) | 2009-08-20 | 2011-03-09 | Roche Diagnostics GmbH | Stabilisation of enzymes with stable coenzymes |
| CA2782047C (en) | 2009-11-30 | 2019-10-29 | Intuity Medical, Inc. | Calibration material delivery devices and methods |
| EP2362207A1 (en) * | 2010-01-28 | 2011-08-31 | F. Hoffmann-La Roche AG | Measuring system and method, in particular for determining blood sugar |
| MX342218B (en) | 2011-04-12 | 2016-09-21 | Hoffmann La Roche | Analytical aid. |
| US9752990B2 (en) | 2013-09-30 | 2017-09-05 | Honeywell International Inc. | Low-powered system for driving a fuel control mechanism |
| ES2675773T3 (en) | 2011-08-03 | 2018-07-12 | Intuity Medical, Inc. | Body fluid sampling provision |
| EP2620507A1 (en) | 2012-01-25 | 2013-07-31 | Roche Diagnostics GmbH | Method for the evaluation of the quality of a test element |
| KR101728597B1 (en) | 2012-04-19 | 2017-04-19 | 에프. 호프만-라 로슈 아게 | Method and device for determining an analyte concentration in blood |
| DE102013104906B4 (en) * | 2013-05-13 | 2015-06-25 | Brandenburgische Technische Universität Cottbus-Senftenberg | Anhydrous immobilization of enzymes |
| CN105247069A (en) | 2013-06-04 | 2016-01-13 | 豪夫迈·罗氏有限公司 | Novel compounds for FRET and methods related thereto |
| SG11201700876RA (en) * | 2014-08-05 | 2017-03-30 | Becton Dickinson Co | Methods and compositions for analyzing glucose-6-phosphate dehydrogenase activity in blood samples |
| KR102273051B1 (en) | 2014-10-21 | 2021-07-06 | 삼성디스플레이 주식회사 | Compound for hole transporting and organic light emitting device utilizing same |
| EP3339431A1 (en) | 2016-12-22 | 2018-06-27 | Roche Diabetes Care GmbH | Glucose dehydrogenase variants with improved properties |
| WO2020064723A1 (en) * | 2018-09-24 | 2020-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Tailored layers of cellulose dispersions for detecting analytes |
| US11579093B2 (en) | 2020-04-22 | 2023-02-14 | SciLogica Corp. | Optical component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8809013B2 (en) | 2005-07-28 | 2014-08-19 | Roche Diagnostics Operations, Inc. | Stable NAD/NADH derivatives |
| US9399790B2 (en) | 2005-07-28 | 2016-07-26 | Roche Diabetes Care, Inc. | Stable NAD/NADH derivatives |
| US10167497B2 (en) | 2005-07-28 | 2019-01-01 | Roche Diabetes Care, Inc. | Stable NAD/NADH derivatives |
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